the second victim has been identified as 29-year-old krystle campbell. earlier we learned 8-year-old martin richard also died in the attack. "the boston globe" reports that martin's mom and sister also suffered grievous injuries and are still in the hospital along with most of the 183 people who were injured in the explosion. some of them are still fighting for their lives at this hour. meanwhile, a senior u.s. official tells our barbara starr at the pentagon that no foreign connection or link to al qaeda had been found in this attack, at least not yet. they have not named any suspect yet, the federal government, and no one has claimed responsibility. but the man hunt is on one assumes one of the most intense in our country's history. the news of the attack sent a shock wave through wall street yesterday. the dow suffered its biggest drop of the year. today the markets bounced back. optimism about housing and a pickup in hiring are credited for the surge. the traders began the day with a moment of silence for the victims in boston just before the opening